package vip.zhenzicheng.test.se;

/**
 * @author zhenzicheng
 * @date 2022-09-06 14:52
 */
public class StringCase {

  public static void main(String[] args) {
    String s1 = "hello ";
    String s2 = "world!";
    String s3 = s1 + s2;
    System.out.println(s3);
  }
}
